diff --git a/src/vs/base/common/paths.ts b/src/vs/base/common/paths.ts
index d22557699559c8d17f6d91ea1594e301ee6caabb..8b4a8d54db84767f41e21370968440eed315addd 100644
--- a/src/vs/base/common/paths.ts
+++ b/src/vs/base/common/paths.ts
@@ -75,28 +75,6 @@ export function normalize(path: string, toOSPath?: boolean): string {
 	return parts.join(toOSPath ? nativeSep : sep);
 }
 
-export function dirnames(path: string): { next: () => { done: boolean; value: string; } } {
-
-	var value = path,
-		done = false;
-
-	function next() {
-		if (value === '.' || value === '/' || value === '\\') {
-			value = undefined;
-			done = true;
-		} else {
-			value = dirname(value);
-		}
-		return {
-			value,
-			done
-		};
-	}
-	return {
-		next
-	};
-}
-
 /**
  * @returns the directory name of a path.
  */
diff --git a/src/vs/base/test/common/paths.test.ts b/src/vs/base/test/common/paths.test.ts
index dfb26b0e9508ccc82f3046e14f6ffb5df5830d6a..5a04715dac7ee0c2128224ad39b13cd6ea11faa1 100644
--- a/src/vs/base/test/common/paths.test.ts
+++ b/src/vs/base/test/common/paths.test.ts
@@ -27,45 +27,6 @@ suite('Paths', () => {
 		assert.equal(paths.dirname('foo'), '.');
 	});
 
-	test('dirnames', () => {
-
-		var iter = paths.dirnames('foo/bar');
-		var next = iter.next();
-		assert.equal(next.value, 'foo');
-		assert.equal(next.done, false);
-		next = iter.next();
-		assert.equal(next.value, '.');
-		assert.equal(next.done, false);
-		next = iter.next();
-		assert.equal(next.value, undefined);
-		assert.equal(next.done, true);
-
-		iter = paths.dirnames('/foo/bar');
-		next = iter.next();
-		assert.equal(next.value, '/foo');
-		assert.equal(next.done, false);
-		next = iter.next();
-		assert.equal(next.value, '/');
-		assert.equal(next.done, false);
-		next = iter.next();
-		assert.equal(next.value, undefined);
-		assert.equal(next.done, true);
-
-		iter = paths.dirnames('c:\\far\\boo');
-		next = iter.next();
-		assert.equal(next.value, 'c:\\far');
-		assert.equal(next.done, false);
-		next = iter.next();
-		assert.equal(next.value, 'c:');
-		assert.equal(next.done, false);
-		next = iter.next();
-		assert.equal(next.value, '.');
-		assert.equal(next.done, false);
-		next = iter.next();
-		assert.equal(next.value, undefined);
-		assert.equal(next.done, true);
-	});
-
 	test('normalize', () => {
 		assert.equal(paths.normalize('.'), '.');
 		assert.equal(paths.normalize('/'), '/');